:root {
  --bg: #0c0f14;
  --panel: #141922;
  --panel-alt: #111722;
  --text: #e5ebf3;
  --muted: #b1bfd3;
  --border: #273043;
  --accent: #4f8cff;
  --accent-strong: #2f70f8;
  --success: #14532d;
  --danger: #7f1d1d;
  --success-text: #bbf7d0;
  --danger-text: #fecaca;
}

.warning-chip {
  position: sticky;
  top: 8px;
  z-index: 7;
  margin-top: 8px;
  margin-bottom: 8px;
  border: 1px solid #8a5c12;
  background: #3a2a08;
  color: #ffe7bf;
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 12px;
  font-weight: 600;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}

.app-shell {
  min-height: 100vh;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 18px;
  border-bottom: 1px solid var(--border);
  background: #0a0d12;
  gap: 16px;
}

.topbar h1 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.byline-link {
  font-size: 12px;
  color: #dbe8ff;
  text-decoration: none;
  border: 1px solid #3b4a67;
  background: #101827;
  padding: 6px 9px;
  border-radius: 999px;
}

.byline-link:hover {
  border-color: #5f7db8;
}

.privacy-pill {
  background: #0f1724;
  border: 1px solid var(--border);
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 12px;
}

.layout {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  min-height: calc(100vh - 173px);
}

.upload-row {
  padding: 12px;
  border-bottom: 1px solid var(--border);
}

.upload-panel {
  border: 1px solid #3f5f99;
  background: linear-gradient(180deg, #172132 0%, #141922 100%);
  box-shadow: 0 0 0 1px rgba(79, 140, 255, 0.15);
  margin-bottom: 0;
}

.sidebar {
  border-right: 1px solid var(--border);
  padding: 12px;
  background: #0e131d;
  overflow-y: auto;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 12px;
}

.panel h2 {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  color: #e2eaf8;
  letter-spacing: 0.02em;
}

.dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  border: 2px dashed #7aa4ff;
  border-radius: 8px;
  padding: 18px 14px;
  background: #162338;
  cursor: pointer;
  text-align: center;
  font-size: 15px;
  font-weight: 600;
  color: #eaf1ff;
  transition: border-color 0.15s ease, background-color 0.15s ease, box-shadow 0.15s ease;
}

.dropzone-main {
  color: #f4f8ff;
}

.dropzone-sub {
  font-size: 12px;
  color: #c8d7f1;
  font-weight: 500;
}

.dropzone .inline-loader {
  margin-left: 8px;
}

.dropzone.dragover {
  border-color: #a8c4ff;
  background: #1a2a43;
  box-shadow: 0 0 0 3px rgba(79, 140, 255, 0.2);
}

.dropzone:hover {
  border-color: #a8c4ff;
  background: #1a2a43;
}

.dropzone input {
  display: none;
}

.meta-line {
  margin: 10px 0 0;
  font-size: 12px;
  color: var(--muted);
  word-break: break-word;
}

#ingestSummary {
  margin-top: 6px;
  color: #cfdcf2;
}

.normalization-details {
  margin-top: 10px;
  border: 1px solid #2b3a56;
  border-radius: 8px;
  background: #101829;
  padding: 8px;
}

.normalization-details summary {
  cursor: pointer;
  font-size: 12px;
  color: #deebff;
  font-weight: 600;
}

.normalization-grid {
  margin-top: 8px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.normalization-item {
  border: 1px solid #2a3550;
  background: #0f1726;
  border-radius: 6px;
  padding: 7px;
}

.normalization-item strong {
  display: block;
  font-size: 11px;
  color: #d7e6ff;
  margin-bottom: 4px;
}

.normalization-list {
  font-size: 11px;
  color: #c2d1ea;
  max-height: 60px;
  overflow: auto;
  line-height: 1.35;
  word-break: break-word;
}

.toggle-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 9px 0;
  font-size: 13px;
}

.toggle-row input[type="checkbox"] {
  margin: 0;
}

.dedupe-row {
  justify-content: space-between;
}

select,
input[type="text"],
input[type="email"] {
  width: 100%;
  border: 1px solid var(--border);
  background: #0c111a;
  color: var(--text);
  border-radius: 6px;
  padding: 6px 8px;
  font-size: 13px;
}

.dedupe-row select {
  width: 140px;
}

.column-schema-list {
  max-height: 280px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.schema-row {
  border: 1px solid var(--border);
  background: var(--panel-alt);
  border-radius: 6px;
  padding: 8px;
}

.schema-source {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
}

.schema-grid {
  display: grid;
  grid-template-columns: 1fr 95px;
  gap: 8px;
}

.schema-hint {
  margin-top: 6px;
  font-size: 11px;
  color: #b9c9e3;
}

.actions-panel {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.workspace {
  padding: 12px;
  min-width: 0;
}

.stats-bar {
  border: 1px solid var(--border);
  background: #182131;
  border-radius: 8px;
  padding: 10px 12px;
}

.stats-line {
  font-size: 13px;
  color: #e7effc;
  font-weight: 600;
}

.stats-line-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-tabs {
  margin-top: 10px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.preview-controls {
  margin-top: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.preview-page-size {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
}

.preview-page-size select {
  width: auto;
}

.preview-pagination {
  display: flex;
  align-items: center;
  gap: 8px;
}

.preview-page-info {
  font-size: 12px;
  color: var(--muted);
  min-width: 90px;
  text-align: center;
}

.tab {
  border: 1px solid var(--border);
  background: #0f1624;
  color: var(--muted);
  border-radius: 6px;
  padding: 5px 8px;
  font-size: 12px;
  cursor: pointer;
}

.tab.active {
  border-color: var(--accent);
  color: #eef5ff;
  background: #1b2b49;
}

.table-shell {
  position: relative;
  margin-top: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  overflow: hidden;
}

.table-loading {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 13px;
  color: #d4deec;
  background: rgba(12, 15, 20, 0.7);
  backdrop-filter: blur(1px);
}

.table-wrap {
  max-height: calc(100vh - 270px);
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

th,
td {
  border-bottom: 1px solid #1f2739;
  border-right: 1px solid #1f2739;
  padding: 8px;
  text-align: left;
  white-space: nowrap;
}

th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: #12192a;
  color: #ccd7e8;
}

tr.modified {
  background: #0f2a1d;
}

tr.has-error {
  background: #321012;
}

.empty-state {
  padding: 20px;
  color: var(--muted);
  font-size: 13px;
}

.bottom-bar {
  margin-top: 12px;
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.btn {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  cursor: pointer;
  font-size: 13px;
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-strong);
}

.btn-secondary {
  background: #1a2436;
  color: #e4ecfa;
}

.inline-loader {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(79, 140, 255, 0.35);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.hidden {
  display: none !important;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .sidebar {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .normalization-grid {
    grid-template-columns: 1fr;
  }
}